22136441544 has 96 divisors (see below), whose sum is σ = 68674320000. Its totient is φ = 6310227456.

The previous prime is 22136441527. The next prime is 22136441567. The reversal of 22136441544 is 44514463122.

22136441544 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 644 + 1 + 5 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22136441499 and 22136441508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171232 + ... + 271280.

It is an arithmetic number, because the mean of its divisors is an integer number (715357500).

Almost surely, 2^22136441544 is an apocalyptic number.

22136441544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22136441544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34337160000).

22136441544 is an abundant number, since it is smaller than the sum of its proper divisors (46537878456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22136441544 is a wasteful number, since it uses less digits than its factorization.

22136441544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100507 (or 100500 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 22136441544 in words is "twenty-two billion, one hundred thirty-six million, four hundred forty-one thousand, five hundred forty-four".